Table 1. Growth factors implicated by bioinformatics analysis in cartilage and bone regeneration, and in fracture repair.

Growth Factor	Fracture Repair	Cartilage Regeneration	Bone Regeneration
FGF-2	+	+	+
PDGF-A	+	+	+
HGF	+	+	+
TGF-β 1, 2	+	+	+
TGF-β3	+	+	+
Lefty-2	+	+	+
EGF	+	-	+
PDGF B	+	-	+
PDGF D	+	-	+
VEGF A	-	+	+
Follistatin	+	-	-